Doctor Marianus may refer to:
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Anselm of Canterbury
Anselm of Canterbury, OSB (; 1033/4–1109), also called ( it, Anselmo d'Aosta, link=no) after his birthplace and (french: Anselme du Bec, link=no) after his monastery, was an Italian Benedictine monk, abbot, philosopher and theologian of th ...
(c. 1033 – 1109), Benedictine monk, theologian, philosopher, Archbishop of Canterbury and Doctor of the Church
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Duns Scotus
John Duns Scotus ( – 8 November 1308), commonly called Duns Scotus ( ; ; "Duns the Scot"), was a Scottish Catholic priest and Franciscan friar, university professor, philosopher, and theologian. He is one of the four most important ...
(c. 1265 – 1308), Blessed, Franciscan friar, theologian and philosopher, nicknamed ''Doctor Subtilis''
{{DEFAULTSORT:Marianus, Doctor